概括
研究人员使用折叠波导设计开发了一种紧的酸赛道调制器. 这项创新大大减少了设备尺寸,同时保持了高级光学互连的高性能.
科学领域:
- 光子学和材料科学 材料科学
- 集成光学 集成光学 集成光学
- 电光设备 电光设备
背景情况:
- 薄膜酸 (LNO) 对于高速电光调制器至关重要.
- 传统的LNO调制器面临大小限制 (厘米尺度),阻碍了高密度集成.
研究的目的:
- 为了克服LNO调制器的尺寸限制.
- 为下一代光学互连开发一个超紧的宽带调制器.
主要方法:
- 提出了一种使用折叠波导和电极配置的新酸赛道调制器.
- 结构重新配置以尽量减少设备足迹.
主要成果:
- 实现了8pm/V的调制效率.
- 演示了30.5 GHz的电光带宽.
- 成功地以112 Gbps (56 GBaud PAM-4) 的速度传输数据.
结论:
- 与马赫-泽恩德调节器相比,拟的调节器可以减少一个数量级的面积.
- 与传统赛道调制器相比,实现了几乎翻倍的带宽和减半的足迹.
- 在光学互连中为超紧的宽带调制器建立了途径.
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